#materialscience

Research, development and commercial applications of advanced flexible materials.

Recent Articles

Forex & Commodities Report: October 2017


In Brief

Trends in the prices of commodities and major currencies can help supply chain managers understand how prices of their sourced materials may change in the immediate future. This overview is a quick look at how the pricing for common commodities and major currencies have changed over the last month. 

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Polymer Basics for Polystyrene


Abstract

Styrene is primarily used in the production of polystyrene plastics as well as many other specialty plastics and synthetic rubbers. Polystyrene is produced by free radical vinyl polymerization from the styrene monomer. Polystyrene has a low cost, low density, clarity, and dimensional stability. This material comes in two forms; crystal polystyrene and high impact polystyrene. Polystyrene is used in applications such as petri dishes, sterilization trays, and pipettes.
 
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Polymer Basics for Polyolefins


Abstract

Polyolefins are polymers composed of simple alkenes, with the most notable being ethylene and propylene. With both polyethylene and polypropylene different grades are available. Polyethylene has varying densities whereas polypropylene has varying locations of the methyl group. Polyethylene is used in applications such as packaging, filters, underpads for hospital beds, and heart valves. Polypropylene is used in applications such as syringes, drapes and gowns, packaging, and sutures.
 
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Platinum-Cured Silicones for Medical Devices and Equipment


Abstract

Medical device and medical equipment manufacturers need high-purity silicones for tubing, cables, seals, gaskets, and other components. Specialty Silicone Products (SSP) supplies an ultra-clean line of platinum-cured silicones that are FDA, USP Class VI, and RoHS compliant. SSP-2390 Series silicones are also cost-effective and come in a range of durometers and custom colors. These medical grade silicones support precision die cutting and extrusion, and are available as sheets and ready-to-mold compounds. 
 
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Polymer Basics for Polyesters


Abstract

Polyesters are typically crystalline thermoplastics with excellent chemical resistance, relatively low water absorption, and excellent tensile and electrical properties. They are applicable in dental instruments, IV components, medical textiles, and films and packaging. Copolyesters are produced when more than one diacid is used in the polymerization process. These polymers are amorphous, have good impact strength, and are easily processable. Copolyesters are applicable in the use of IV systems, vials, and medical trays.
 
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